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Extraction Of Reverberant Sound Using Microphone Arrays
Abstract: A method comprises estimating a spatial coherence between a first diffuse sound portion in a first microphone signal and a second diffuse sound portion in a second microphone signal. The first microphone signal is captured by a first microphone and the second microphone signal is captured by a second microphone wh ich is spaced apart from the first microphone in a known manner. The method further comprises defining a linear constraint for filter coefficients of a diffuse sound filter the linear constraint being based on the spatial coherence. The method also comprises calculating at least one of signal statistics and noise statistics over the first microphone signal and the second microphone signal. The method also comprises determining the filter coefficients of the diffuse sound filter by solving an optimization problem concerning at least one of the signal statistics and noise statistics while considering the linear constraint for the filter coefficients.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
02 June 2016
Publication Number
35/2016
Publication Type
INA
Invention Field
COMMUNICATION
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2022-05-10
Renewal Date
Applicants
FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Hansastraße 27c
80686 München
Inventors
1. THIERGART Oliver
Gebbertstrasse 38
91052 Erlangen
2. HABETS Emanuel
Schwedenstr. 13
NL 91080 Spardorf
Specification
Documents
Orders
| Section | Controller | Decision Date |
|---|---|---|
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 201637018943-IntimationOfGrant10-05-2022.pdf | 2022-05-10 |
| 1 | Form 5 [02-06-2016(online)].pdf | 2016-06-02 |
| 2 | 201637018943-PatentCertificate10-05-2022.pdf | 2022-05-10 |
| 2 | Form 3 [02-06-2016(online)].pdf | 2016-06-02 |
| 3 | Form 20 [02-06-2016(online)].pdf | 2016-06-02 |
| 3 | 201637018943-FORM 13 [21-03-2022(online)].pdf | 2022-03-21 |
| 4 | Drawing [02-06-2016(online)].pdf | 2016-06-02 |
| 4 | 201637018943-PETITION UNDER RULE 137 [21-03-2022(online)].pdf | 2022-03-21 |
| 5 | Description(Complete) [02-06-2016(online)].pdf | 2016-06-02 |
| 5 | 201637018943-Written submissions and relevant documents [21-03-2022(online)].pdf | 2022-03-21 |
| 6 | Other Patent Document [16-06-2016(online)].pdf | 2016-06-16 |
| 6 | 201637018943-Correspondence to notify the Controller [07-03-2022(online)].pdf | 2022-03-07 |
| 7 | Form 18 [08-07-2016(online)].pdf | 2016-07-08 |
| 7 | 201637018943-FORM-26 [07-03-2022(online)].pdf | 2022-03-07 |
| 8 | Other Patent Document [19-08-2016(online)].pdf | 2016-08-19 |
| 8 | 201637018943-US(14)-HearingNotice-(HearingDate-10-03-2022).pdf | 2022-02-15 |
| 9 | 201637018943-Information under section 8(2) [16-11-2021(online)].pdf | 2021-11-16 |
| 9 | Other Patent Document [01-11-2016(online)].pdf | 2016-11-01 |
| 10 | 201637018943-Information under section 8(2) [21-05-2021(online)].pdf | 2021-05-21 |
| 10 | Other Patent Document [09-11-2016(online)].pdf | 2016-11-09 |
| 11 | 201637018943-Information under section 8(2) [18-01-2021(online)].pdf | 2021-01-18 |
| 11 | Other Patent Document [04-05-2017(online)].pdf | 2017-05-04 |
| 12 | 201637018943-Information under section 8(2) [28-05-2020(online)].pdf | 2020-05-28 |
| 12 | Information under section 8(2) [16-06-2017(online)].pdf | 2017-06-16 |
| 13 | 201637018943-Annexure [26-08-2019(online)].pdf | 2019-08-26 |
| 13 | 201637018943-Information under section 8(2) (MANDATORY) [11-11-2017(online)].pdf | 2017-11-11 |
| 14 | 201637018943-Certified Copy of Priority Document (MANDATORY) [26-08-2019(online)].pdf | 2019-08-26 |
| 14 | 201637018943-Information under section 8(2) (MANDATORY) [11-05-2018(online)].pdf | 2018-05-11 |
| 15 | 201637018943-CLAIMS [26-08-2019(online)].pdf | 2019-08-26 |
| 15 | 201637018943-Information under section 8(2) (MANDATORY) [08-08-2018(online)].pdf | 2018-08-08 |
| 16 | 201637018943-COMPLETE SPECIFICATION [26-08-2019(online)].pdf | 2019-08-26 |
| 16 | 201637018943-Information under section 8(2) (MANDATORY) [19-11-2018(online)].pdf | 2018-11-19 |
| 17 | 201637018943-Information under section 8(2) (MANDATORY) [03-01-2019(online)].pdf | 2019-01-03 |
| 17 | 201637018943-DRAWING [26-08-2019(online)].pdf | 2019-08-26 |
| 18 | 201637018943-FER.pdf | 2019-02-26 |
| 18 | 201637018943-FER_SER_REPLY [26-08-2019(online)].pdf | 2019-08-26 |
| 19 | 201637018943-FORM 13 [26-08-2019(online)].pdf | 2019-08-26 |
| 19 | 201637018943-PETITION UNDER RULE 137 [26-08-2019(online)].pdf | 2019-08-26 |
| 20 | 201637018943-Information under section 8(2) (MANDATORY) [26-08-2019(online)].pdf | 2019-08-26 |
| 21 | 201637018943-FORM 13 [26-08-2019(online)].pdf | 2019-08-26 |
| 21 | 201637018943-PETITION UNDER RULE 137 [26-08-2019(online)].pdf | 2019-08-26 |
| 22 | 201637018943-FER.pdf | 2019-02-26 |
| 22 | 201637018943-FER_SER_REPLY [26-08-2019(online)].pdf | 2019-08-26 |
| 23 | 201637018943-DRAWING [26-08-2019(online)].pdf | 2019-08-26 |
| 23 | 201637018943-Information under section 8(2) (MANDATORY) [03-01-2019(online)].pdf | 2019-01-03 |
| 24 | 201637018943-Information under section 8(2) (MANDATORY) [19-11-2018(online)].pdf | 2018-11-19 |
| 24 | 201637018943-COMPLETE SPECIFICATION [26-08-2019(online)].pdf | 2019-08-26 |
| 25 | 201637018943-Information under section 8(2) (MANDATORY) [08-08-2018(online)].pdf | 2018-08-08 |
| 25 | 201637018943-CLAIMS [26-08-2019(online)].pdf | 2019-08-26 |
| 26 | 201637018943-Certified Copy of Priority Document (MANDATORY) [26-08-2019(online)].pdf | 2019-08-26 |
| 26 | 201637018943-Information under section 8(2) (MANDATORY) [11-05-2018(online)].pdf | 2018-05-11 |
| 27 | 201637018943-Annexure [26-08-2019(online)].pdf | 2019-08-26 |
| 27 | 201637018943-Information under section 8(2) (MANDATORY) [11-11-2017(online)].pdf | 2017-11-11 |
| 28 | 201637018943-Information under section 8(2) [28-05-2020(online)].pdf | 2020-05-28 |
| 28 | Information under section 8(2) [16-06-2017(online)].pdf | 2017-06-16 |
| 29 | 201637018943-Information under section 8(2) [18-01-2021(online)].pdf | 2021-01-18 |
| 29 | Other Patent Document [04-05-2017(online)].pdf | 2017-05-04 |
| 30 | 201637018943-Information under section 8(2) [21-05-2021(online)].pdf | 2021-05-21 |
| 30 | Other Patent Document [09-11-2016(online)].pdf | 2016-11-09 |
| 31 | 201637018943-Information under section 8(2) [16-11-2021(online)].pdf | 2021-11-16 |
| 31 | Other Patent Document [01-11-2016(online)].pdf | 2016-11-01 |
| 32 | 201637018943-US(14)-HearingNotice-(HearingDate-10-03-2022).pdf | 2022-02-15 |
| 32 | Other Patent Document [19-08-2016(online)].pdf | 2016-08-19 |
| 33 | 201637018943-FORM-26 [07-03-2022(online)].pdf | 2022-03-07 |
| 33 | Form 18 [08-07-2016(online)].pdf | 2016-07-08 |
| 34 | 201637018943-Correspondence to notify the Controller [07-03-2022(online)].pdf | 2022-03-07 |
| 34 | Other Patent Document [16-06-2016(online)].pdf | 2016-06-16 |
| 35 | 201637018943-Written submissions and relevant documents [21-03-2022(online)].pdf | 2022-03-21 |
| 35 | Description(Complete) [02-06-2016(online)].pdf | 2016-06-02 |
| 36 | 201637018943-PETITION UNDER RULE 137 [21-03-2022(online)].pdf | 2022-03-21 |
| 36 | Drawing [02-06-2016(online)].pdf | 2016-06-02 |
| 37 | Form 20 [02-06-2016(online)].pdf | 2016-06-02 |
| 37 | 201637018943-FORM 13 [21-03-2022(online)].pdf | 2022-03-21 |
| 38 | Form 3 [02-06-2016(online)].pdf | 2016-06-02 |
| 38 | 201637018943-PatentCertificate10-05-2022.pdf | 2022-05-10 |
| 39 | Form 5 [02-06-2016(online)].pdf | 2016-06-02 |
| 39 | 201637018943-IntimationOfGrant10-05-2022.pdf | 2022-05-10 |
Search Strategy
| 1 | 201637018943_21-01-2019.pdf |